Updated the Corona README.txt with the wiki instructions.
Updated the Corona README.txt with the wiki instructions.

nvoron23/hadoop-20,nvoron23/hadoop-20,zyguan/hdfs-raid,dongjiaqiang/hadoop-20,rhli/hadoop-EAR,zyguan/hdfs-raid,dongjiaqiang/hadoop-20,zyguan/hdfs-raid,zyguan/hdfs-raid,nvoron23/hadoop-20,nvoron23/hadoop-20,dongjiaqiang/hadoop-20,zyguan/hdfs-raid,facebookarchive/hadoop-20,dongjiaqiang/hadoop-20,zyguan/hdfs-raid,rhli/hadoop-EAR,nvoron23/hadoop-20,dongjiaqiang/hadoop-20,facebookarchive/hadoop-20,nvoron23/hadoop-20,rhli/hadoop-EAR,zyguan/hdfs-raid,facebookarchive/hadoop-20,rhli/hadoop-EAR,facebookarchive/hadoop-20,nvoron23/hadoop-20,nvoron23/hadoop-20,dongjiaqiang/hadoop-20,nvoron23/hadoop-20,dongjiaqiang/hadoop-20,dongjiaqiang/hadoop-20,facebookarchive/hadoop-20,dongjiaqiang/hadoop-20,zyguan/hdfs-raid,zyguan/hdfs-raid,rhli/hadoop-EAR,rhli/hadoop-EAR,rhli/hadoop-EAR,facebookarchive/hadoop-20,facebookarchive/hadoop-20,dongjiaqiang/hadoop-20,zyguan/hdfs-raid,rhli/hadoop-EAR,nvoron23/hadoop-20,rhli/hadoop-EAR,rhli/hadoop-EAR,facebookarchive/hadoop-20,facebookarchive/hadoop-20